Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request H2-AXABC HiSorb probe, PDMS/CWR, inert, short version, pk 6 Price on request